diff --git a/contrib/log/zap/zap.go b/contrib/log/zap/zap.go
index 094e1e654..1ad8caed6 100644
--- a/contrib/log/zap/zap.go
+++ b/contrib/log/zap/zap.go
@@ -25,7 +25,7 @@ func (l *Logger) Log(level log.Level, keyvals ...interface{}) error {
 		return nil
 	}
 
-	var data []zap.Field = make([]zap.Field, 0, (keylen/2)+1)
+	data := make([]zap.Field, 0, (keylen/2)+1)
 	for i := 0; i < keylen; i += 2 {
 		data = append(data, zap.Any(fmt.Sprint(keyvals[i]), keyvals[i+1]))
 	}
diff --git a/transport/http/codec.go b/transport/http/codec.go
index 156181f77..5aef7995c 100644
--- a/transport/http/codec.go
+++ b/transport/http/codec.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 
@@ -67,7 +66,7 @@ func DefaultRequestDecoder(r *http.Request, v interface{}) error {
 	data, err := io.ReadAll(r.Body)
 
 	// reset body.
-	r.Body = ioutil.NopCloser(bytes.NewBuffer(data))
+	r.Body = io.NopCloser(bytes.NewBuffer(data))
 
 	if err != nil {
 		return errors.BadRequest("CODEC", err.Error())